SVD and RREF don't give same result

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Sudipta Sinha
Sudipta Sinha 2014-5-23
评论： Matt J 2014-5-24
Hi All,
I am having a problem with SVD. The function rref works fine for solving a set of overdefined linear equations AX=b; but I am having a trouble to get the same result using SVD.
For rref, i was using the synatx solution=rref([A,b]) and it gave correct result
For SVD, i was using the syntax [u, s, v]=svd(A,0) and then solution=v*((u'*b)./diag(s))
However, the solutions are completely different. What should I do for achieving the same result
Thanks in advance Sudipta
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Sudipta Sinha
Sudipta Sinha 2014-5-24
yes, that is my data. i need to solve this one. none of the methods are giving reasonable result. how do i generate a .mat file
Matt J
Matt J 2014-5-24
Use the SAVE command to save variables to a .mat file (and the LOAD command to reload them).

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